diff --git a/sys/kern/printf.c b/sys/kern/printf.c
index 6fab079..ef2c5c0 100644
--- a/sys/kern/printf.c
+++ b/sys/kern/printf.c
@@ -227,12 +227,14 @@ void Debug_Assert(const char *fmt, ...)
     kvprintf(fmt, consoleputc, 0, ap);
     va_end(ap);
 
+#if 0
     kprintf("PC %lx FP %lx\n", __builtin_return_address(0), __builtin_frame_address(0));
     kprintf("PC %lx FP %lx\n", __builtin_return_address(1), __builtin_frame_address(1));
     kprintf("PC %lx FP %lx\n", __builtin_return_address(2), __builtin_frame_address(2));
     kprintf("PC %lx FP %lx\n", __builtin_return_address(3), __builtin_frame_address(3));
     kprintf("PC %lx FP %lx\n", __builtin_return_address(4), __builtin_frame_address(4));
     kprintf("PC %lx FP %lx\n", __builtin_return_address(5), __builtin_frame_address(5));
+#endif
    
     Panic("");
 }